Home / 399,247.14-598,644.72-162,311.22

Finding the Fourth Proportional to 399,247.14, 598,644.72 and 162,311.22

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Solution

The fourth proportional to 399,247.14, 598,644.72 and 162,311.22 is: 243,374.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,247.14 : 598,644.72 = 162,311.22 : x
  2. Step 2: Convert to fraction form
    399,247.14/598,644.72 = 162,311.22/x
  3. Step 3: Cross multiply
    399,247.14x = 598,644.72 × 162,311.22
  4. Step 4: Simplify right side
    399,247.14x = 97,166,754,849.76
  5. Step 5: Solve for x
    x = 97,166,754,849.76/399,247.14
  6. Step 6: Final answer
    x = 243,374.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.